Paul Lecuq
945b53f28c
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continuous-integration/drone/push Build is passing
Reviewed-on: #1
138 lines
3.2 KiB
Go
138 lines
3.2 KiB
Go
// Copyright 2022 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package statements
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import (
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"fmt"
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"strings"
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"xorm.io/xorm/schemas"
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)
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// Select replace select
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func (statement *Statement) Select(str string) *Statement {
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statement.SelectStr = statement.ReplaceQuote(str)
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return statement
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}
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func col2NewCols(columns ...string) []string {
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newColumns := make([]string, 0, len(columns))
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for _, col := range columns {
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col = strings.Replace(col, "`", "", -1)
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col = strings.Replace(col, `"`, "", -1)
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ccols := strings.Split(col, ",")
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for _, c := range ccols {
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newColumns = append(newColumns, strings.TrimSpace(c))
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}
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}
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return newColumns
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}
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// Cols generate "col1, col2" statement
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func (statement *Statement) Cols(columns ...string) *Statement {
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cols := col2NewCols(columns...)
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for _, nc := range cols {
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statement.ColumnMap.Add(nc)
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}
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return statement
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}
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// ColumnStr returns column string
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func (statement *Statement) ColumnStr() string {
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return statement.dialect.Quoter().Join(statement.ColumnMap, ", ")
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}
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// AllCols update use only: update all columns
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func (statement *Statement) AllCols() *Statement {
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statement.useAllCols = true
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return statement
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}
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// MustCols update use only: must update columns
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func (statement *Statement) MustCols(columns ...string) *Statement {
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newColumns := col2NewCols(columns...)
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for _, nc := range newColumns {
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statement.MustColumnMap[strings.ToLower(nc)] = true
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}
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return statement
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}
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// UseBool indicates that use bool fields as update contents and query contiditions
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func (statement *Statement) UseBool(columns ...string) *Statement {
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if len(columns) > 0 {
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statement.MustCols(columns...)
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} else {
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statement.allUseBool = true
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}
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return statement
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}
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// Omit do not use the columns
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func (statement *Statement) Omit(columns ...string) {
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newColumns := col2NewCols(columns...)
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for _, nc := range newColumns {
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statement.OmitColumnMap = append(statement.OmitColumnMap, nc)
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}
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}
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func (statement *Statement) genColumnStr() string {
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if statement.RefTable == nil {
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return ""
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}
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var buf strings.Builder
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columns := statement.RefTable.Columns()
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for _, col := range columns {
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if statement.OmitColumnMap.Contain(col.Name) {
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continue
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}
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if len(statement.ColumnMap) > 0 && !statement.ColumnMap.Contain(col.Name) {
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continue
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}
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if col.MapType == schemas.ONLYTODB {
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continue
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}
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if buf.Len() != 0 {
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buf.WriteString(", ")
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}
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if len(statement.joins) > 0 {
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if statement.TableAlias != "" {
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buf.WriteString(statement.TableAlias)
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} else {
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buf.WriteString(statement.TableName())
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}
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buf.WriteString(".")
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}
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statement.dialect.Quoter().QuoteTo(&buf, col.Name)
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}
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return buf.String()
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}
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func (statement *Statement) colName(col *schemas.Column, tableName string) string {
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if statement.NeedTableName() {
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nm := tableName
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if len(statement.TableAlias) > 0 {
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nm = statement.TableAlias
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}
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return fmt.Sprintf("%s.%s", statement.quote(nm), statement.quote(col.Name))
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}
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return statement.quote(col.Name)
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}
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// Distinct generates "DISTINCT col1, col2 " statement
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func (statement *Statement) Distinct(columns ...string) *Statement {
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statement.IsDistinct = true
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statement.Cols(columns...)
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return statement
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}
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